[INFO] updating cached repository ataias/multithreaded_webserver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ataias/multithreaded_webserver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ataias/multithreaded_webserver" "work/ex/beta-1.37-6/sources/1.36.0/gh/ataias/multithreaded_webserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ataias/multithreaded_webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ataias/multithreaded_webserver" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ataias/multithreaded_webserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ataias/multithreaded_webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f6ff823f85c7a45a8a371343529ce7237ded905
[INFO] sha for GitHub repo ataias/multithreaded_webserver: 4f6ff823f85c7a45a8a371343529ce7237ded905
[INFO] validating manifest of ataias/multithreaded_webserver on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ataias/multithreaded_webserver on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ataias/multithreaded_webserver
[INFO] finished frobbing ataias/multithreaded_webserver
[INFO] frobbed toml for ataias/multithreaded_webserver written to work/ex/beta-1.37-6/sources/1.36.0/gh/ataias/multithreaded_webserver/Cargo.toml
[INFO] started frobbing ataias/multithreaded_webserver
[INFO] finished frobbing ataias/multithreaded_webserver
[INFO] frobbed toml for ataias/multithreaded_webserver written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ataias/multithreaded_webserver/Cargo.toml
[INFO] crate ataias/multithreaded_webserver already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ataias/multithreaded_webserver against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ataias/multithreaded_webserver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 79a957ee6b4ba42e77496dd253edd5c8aa6a6c45e39b3c4a77986596b0108099
[INFO] running `"docker" "start" "-a" "79a957ee6b4ba42e77496dd253edd5c8aa6a6c45e39b3c4a77986596b0108099"`
[INFO] [stderr]    Compiling multithreaded_web_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `"docker" "inspect" "79a957ee6b4ba42e77496dd253edd5c8aa6a6c45e39b3c4a77986596b0108099"`
[INFO] running `"docker" "rm" "-f" "79a957ee6b4ba42e77496dd253edd5c8aa6a6c45e39b3c4a77986596b0108099"`
[INFO] [stdout] 79a957ee6b4ba42e77496dd253edd5c8aa6a6c45e39b3c4a77986596b0108099
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ataias/multithreaded_webserver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] fb39333631cd45a443443026111934a96b25289f1d794db2cc7aa2f351753152
[INFO] running `"docker" "start" "-a" "fb39333631cd45a443443026111934a96b25289f1d794db2cc7aa2f351753152"`
[INFO] [stderr]    Compiling multithreaded_web_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "fb39333631cd45a443443026111934a96b25289f1d794db2cc7aa2f351753152"`
[INFO] running `"docker" "rm" "-f" "fb39333631cd45a443443026111934a96b25289f1d794db2cc7aa2f351753152"`
[INFO] [stdout] fb39333631cd45a443443026111934a96b25289f1d794db2cc7aa2f351753152
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ataias/multithreaded_webserver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c04e10561083b649618f1d459a27d38b1ecc8e165366d8ac38ad9cab7fd9ece5
[INFO] running `"docker" "start" "-a" "c04e10561083b649618f1d459a27d38b1ecc8e165366d8ac38ad9cab7fd9ece5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/multithreaded_web_server-f8f16fe83ba2145c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-4359b8901c27e2b7
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests multithreaded_web_server
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c04e10561083b649618f1d459a27d38b1ecc8e165366d8ac38ad9cab7fd9ece5"`
[INFO] running `"docker" "rm" "-f" "c04e10561083b649618f1d459a27d38b1ecc8e165366d8ac38ad9cab7fd9ece5"`
[INFO] [stdout] c04e10561083b649618f1d459a27d38b1ecc8e165366d8ac38ad9cab7fd9ece5